[Want even more content from FPM? Sign up for FPM+ to unlock exclusive series, virtual town-halls with our authors, and more—now for just $3.99/month. Click here to sign up.] Seven years ago, my opponent Ruben Gallego wrote an op-ed in the Arizona Republic titled, “Why We Should Not Build Trump’s Border Wall (Ever).” Thankfully, President Trump didn’t take Ruben’s advice, and Arizona was much safer for it during his administration.